ctype.h

COG-VP12864液晶屏驱动代码及对应RTC实例

/**************************************************************************
*                                                                         *
*   PROJECT     : TMON (Transparent monitor)                              *
*                                                                         *
*   MODULE      : CTYPE.h                                                 *
*                                                                         *
*   AUTHOR      : Michael Anburaj                                         *
*                 URL  : http://geocities.com/michaelanburaj/             *
*                 EMAIL: [e-mail]                       *
*                                                                         *
*   PROCESSOR   : MIPS 4Kc (32 bit RISC) - ATLAS board                    *
*                                                                         *
*   Tool-chain  : SDE & Cygnus                                            *
*                                                                         *
*   DESCRIPTION :                                                         *
*   This is a std header file.                                            *
*                                                                         *
**************************************************************************/



#define _UPC	0x1
#define _LWR	0x2
#define _DIG	0x4
#define _SPC	0x30
#define _PUN	0x10
#define _CTR	0x20
#define _HEX	0x40
#define _BLK	0x80



#define	isalpha(c)	((char)((unsigned char)(c))&(_UPC|_LWR))
#define	isupper(c)	((char)((unsigned char)(c))&_UPC)
#define	islower(c)	((char)((unsigned char)(c))&_LWR)
#define	isdigit(c)	((char)((unsigned char)(c))&_DIG)
#define	isxdigit(c)	((char)((unsigned char)(c))&(_DIG|_HEX))
#define	isspace(c)	((char)((unsigned char)(c))&~_SPC)
#define ispunct(c)	((char)((unsigned char)(c))&_PUN)
#define isalnum(c)	((char)((unsigned char)(c))&(_UPC|_LWR|_DIG))
#define isprint(c)	((char)((unsigned char)(c))&(_PUN|_UPC|_LWR|_DIG|_BLK))
#define isgraph(c)	((char)((unsigned char)(c))&(_PUN|_UPC|_LWR|_DIG))
#define iscntrl(c)	((char)((unsigned char)(c))&_CTL)
#define isascii(c)	((char)((unsigned)(c))<=0x7f)
/*
#define pan(c)          ((char)((unsigned char)(c))&0x30)
*/
extern int toupper(int);
extern int tolower(int);

extern int pan(unsigned char c);
#define toascii(c)	((unsigned char)(c)&0x7f)